You can go to the Printers pane of preferences, open the Machine Settings window, and change the g-code flavour to "Marlin" (from "Ultimaker 2"). That will enable you to use USB printing (and you will gain full control over all material settings such as temperatures inside Cura). Having said that, USB printing is not recommended by Ultimaker. SD-Card printing is more stable, because you won't be affected by windows wanting to go to sleep, or installing updates, or resetting your printer, all d